12AT7 ( ECC81 ) MULLARD NOS 10M Master Series Gold Pins MADE IN GT. BRITAIN
12AT7 (ECC81) NOS MULLARD 10M Master Series Gold Pins O Getter. Short Circuit Testing. MADE IN GT. Other test made In our custom White Box. Closing tape in brown paper - ECO-KRAFT. Brown paper sealing tape - ECO-KRAFT.